Sodium arsenate dibasic heptahydrate (As) Back Catalog number: 50647 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679461 4,4'-DDT, 100 µg/ml, Methanol, 1ml Price on request 9449.12-100-AN Endrin ketone Price on request 11213-100MG POE (20) Nonylphenol,neat,neat,100mg, Price on request